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‘Another subunit appears about the time of metamorphosis to first juvenile instar, and expression of a sixth subunit begins four or five molts later.’

‘It is not long after this molting is complete that they start a second molt to acquire their alternate plumage.’

‘While all feathers wear, they are replaced regularly by the molt processes.’

‘One month later, lobstermen in Western Long Island Sound began to report sightings of gravid female lobsters dying in the throes of abortive molts.’

‘The molt is restricted to replacing feathers on the head and body.’

‘During each molt the animal calcifies a new carapace of about twice the volume of the previous one.’

‘The larval stage consists of four phases, or instars, with a complete molt between each instar.’

‘The specimen also appears to be a whole animal rather than a molt: several appendages are preserved and in the first four and the last two abdominal segments a cylindrical structure is interpreted as the alimentary canal.’

‘They molt twice a year, the first molt, after breeding, gives the males their eclipse plumage.’

‘During the final molt, from pupa to adult, the epidermal cells secrete special enzymes that rigidify the horns as well as hardening all the other adult structures.’

‘Occasionally, females disperse at their penultimate instar and undergo their final molt in their new webs (personal observation).’

‘Post-embryonic development takes place during a series of four molts.’

‘As suggested by Plotnick, this determination is not easily made on the basis of the fossils alone as all portions of the preservable integument may potentially be sufficiently well represented in molts.’

Origin

Middle English moute, from an Old English verb based on Latin mutare to change For the intrusive -l-, compare with words such as fault.